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Finding the Fourth Proportional to 11,876.01, 17,817.05 and 3,555.99

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Solution

The fourth proportional to 11,876.01, 17,817.05 and 3,555.99 is: 5,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.01 : 17,817.05 = 3,555.99 : x
  2. Step 2: Convert to fraction form
    11,876.01/17,817.05 = 3,555.99/x
  3. Step 3: Cross multiply
    11,876.01x = 17,817.05 × 3,555.99
  4. Step 4: Simplify right side
    11,876.01x = 63,357,251.63
  5. Step 5: Solve for x
    x = 63,357,251.63/11,876.01
  6. Step 6: Final answer
    x = 5,334.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.